Finding the Third Proportional to 3,586,844 and 7,740,318

Step by Step Solution

1. Step 1: Write the proportion equation
   3,586,844 : 7,740,318 = 7,740,318 : x
2. Step 2: Convert to fraction form
   3,586,844/7,740,318 = 7,740,318/x
3. Step 3: Cross multiply
   3,586,844x = 7,740,318 × 7,740,318
4. Step 4: Simplify right side
   3,586,844x = 59,912,522,741,124
5. Step 5: Solve for x
   x = 59,912,522,741,124/3,586,844
6. Step 6: Final answer
   x = 16,703,409.11